To enable the Fn + Home key function, kindly upgrade the firmware using the steps below.

Download Link:


1. Disable all antivirus programs that may interfere with the upgrade software.

2. Extract all files from the archive.

3. Connect the keyboard to the PC.

4. Double-click FB574.exe.

5. Press the Upgrade Button.

6. Once upgrade is successful, exit the application.

This upgrade enable the function of Fn + Home button which can be used to change LED effects.